672389465 has 16 divisors (see below), whose sum is σ = 881340480. Its totient is φ = 488387520.

The previous prime is 672389453. The next prime is 672389483. The reversal of 672389465 is 564983276.

It is a happy number.

It is not a de Polignac number, because 672389465 - 2²⁴ = 655612249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38222 + ... + 52968.

It is an arithmetic number, because the mean of its divisors is an integer number (55083780).

Almost surely, 2^672389465 is an apocalyptic number.

It is an amenable number.

672389465 is a deficient number, since it is larger than the sum of its proper divisors (208951015).

672389465 is a wasteful number, since it uses less digits than its factorization.

672389465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15592.

The product of its digits is 2177280, while the sum is 50.

The square root of 672389465 is about 25930.4736748097. The cubic root of 672389465 is about 876.0730085346.

The spelling of 672389465 in words is "six hundred seventy-two million, three hundred eighty-nine thousand, four hundred sixty-five".